Home / 304,795.51-420,613.36-168,829.01

Finding the Fourth Proportional to 304,795.51, 420,613.36 and 168,829.01

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Solution

The fourth proportional to 304,795.51, 420,613.36 and 168,829.01 is: 232,981.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,795.51 : 420,613.36 = 168,829.01 : x
  2. Step 2: Convert to fraction form
    304,795.51/420,613.36 = 168,829.01/x
  3. Step 3: Cross multiply
    304,795.51x = 420,613.36 × 168,829.01
  4. Step 4: Simplify right side
    304,795.51x = 71,011,736,213.73
  5. Step 5: Solve for x
    x = 71,011,736,213.73/304,795.51
  6. Step 6: Final answer
    x = 232,981.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.